Question

A coin is tossed 70 times and head is obtained 20 times. Now if a coin is tossed at random, what is the probability of getting a 
head

Answer 1

50 percent normally but if you want 20/70 is equal to 29 percent (rounded up)

Answer 2

the total possible chances is 70 probability of heads = favorable to us/ total

70-20=50 50/70= 5/7